27s3 + 1 or (27s)3 + 1
** The two expressions are NOT equal.
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3³ + 1³ = 27 + 1 = 28
(x + 1)(x^2 - x + 1)
(-3)(-3) can be written another way to eliminate the negative third power:1/(-33)In this form, all you need to do is divide 1 by the -3 cubed.1/(-33) = 1/(-27) = -0.037037
8 tenths plus 1 third = 9
The sum is 1. 1/3 + 1/3 + 1/3 = 3/3 = 1